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Accounting Changes - Consolidated Statement of Operations and Comprehensive Income (Loss) (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Cost of sales |  |
Cost of sales before fair value adjustments | $ 7,654 | $ 2,040
Fair value adjustments |  |
Unrealized change in fair value of biological assets | (11,568) | (7,637)
Realized fair value adjustments on inventory sold in the year | 8,349 | 2,449
Total fair value adjustments | (3,219) | (5,188)
Gross profit | 11,268 | 7,230
Original Accounting Policy [member] |  |
Cost of sales |  |
Cost of sales before fair value adjustments | 2,942 | 609
Production costs | 7,145 | 3,983
Total cost of sales | 10,087 | 4,592
Gross profit (loss) before fair value adjustments | 5,616 | (510)
Fair value adjustments |  |
Unrealized change in fair value of biological assets | (18,713) | (11,620)
Realized fair value adjustments on inventory sold in the year | 13,061 | 3,880
Total fair value adjustments | (5,652) | (7,740)
Gross profit | 11,268 | 7,230
New Accounting Policy [member] |  |
Cost of sales |  |
Cost of sales before fair value adjustments | 7,654 | 2,040
Total cost of sales | 7,654 | 2,040
Gross profit (loss) before fair value adjustments | 8,049 | 2,042
Fair value adjustments |  |
Unrealized change in fair value of biological assets | (11,568) | (7,637)
Realized fair value adjustments on inventory sold in the year | 8,349 | 2,449
Total fair value adjustments | (3,219) | (5,188)
Gross profit | $ 11,268 | $ 7,230

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